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Proof step 21 from proof fits-put-short-02 (previous step)

st[r -- sk] = refval(r0), st[r -- _type] .type = mkclasstype(class), sk ∈ instfields(class), fits(r0, sks0, st), is_shortvalue(st[r1 -- fs ']), is_obj(str, r, st), junkref(str, r0, st) ∨ fits(r0, sks0, st[r1 -- fs ', shortval(sho)]), r ≠ r1 ∨ _type ≠ fs ' ⊦ r = jvmref, junkref(str, r, st), fits((st[r1 -- fs ', shortval(sho)][r -- sk]) .refval, sks0, st[r1 -- fs ', shortval(sho)]) ∧ is_referencevalue(st[r1 -- fs ', shortval(sho)][r -- sk])

User applied rule insert rewrite lemma

And obtained the following new goals

Proof step 13:
⊦ rk ≠ rk0 → (st[rk0, val][rk]) = st[rk]
Proof step 20:
r -- sk ≠ r1 -- fs ', st[r -- sk] = refval(r0), st[r -- _type] .type = mkclasstype(class), sk ∈ instfields(class), fits(r0, sks0, st), is_shortvalue(st[r1 -- fs ']), is_obj(str, r, st), junkref(str, r0, st) ∨ fits(r0, sks0, st[r1 -- fs ', shortval(sho)]), r ≠ r1 ∨ _type ≠ fs ' ⊦ r = jvmref, junkref(str, r, st), fits(st[r -- sk] .refval, sks0, st[r1 -- fs ', shortval(sho)]) ∧ is_referencevalue(st[r -- sk])

Rule argument

[speclemmaarg: ,rk ≠ rk0 → (st[rk0, val][rk]) = st[rk] ,[rk, val, rk0, st] → [r -- sk, shortval(sho), r1 -- fs ', st] ,F ,store ,javastore-ostorea ,At-other ]

Additional information

[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ r -- sk = r0 -- sk0 ↔ r = r0 ∧ sk = sk0], [CSIMPSEQ : ⊦ (st[rk, val][rk]) = val], [CSIMPSEQ : ⊦ ¬ is_referencevalue(shortval(sho))], [CSIMPSEQ : ⊦ ¬ is_shortvalue(refval(r))])], [EXTRATERMS : (r -- sk, shortval(sho), r1 -- fs ', st)]]